<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8'/>
    <title></title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        div{
            outline: 1px red solid;
        }

        #show{
            height: 300px;
            width: 300px;
            position: absolute;
            left:500px;
            top:200px;
        }
        #showScore{
            width: 300px;
            height:60px;
            background: #ccc;
        }
        #showGame{
            width: 300px;
            height: auto;
        }
        button{
            width:150px;
            height: 30px;
            position: absolute;
            left:500px;
            top:150px;
        }

        #time{
            width:120px;
            height: 30px;
            position: absolute;
            left:680px;
            top:150px;
            text-align: center;
            color: #fff;
            background: #000;
            font-size: 30px;
            line-height: 30px;
        }

        input{
            width:20px;
            height: 30px;
            margin-left: 5px;
            margin-top: 5px;
        }
    </style>

</head>
<body>

 <button id="btn">开始</button>
  <div id="time">60</div>

<div id="show">
      <div id="showScore">
          <p>分数:&nbsp;&nbsp;<span id="score">0</span></p>
      </div>
      <div id="showGame"></div>
</div>

</body>
</html>
<script>
function $(id){

    return document.getElementById(id);
}


</script>